<div id="win_r">
    <form action="<?php echo site_url('admin/blacklists_doadd'); ?>" method="post">
        <ul>
            <li>
                <span class="title"><?php echo lang('user_opn_id'); ?></span>
                <input type="text" name="user_opn_id" class="input" maxlength="28" />
                <span class="m_left_10 notice"><?php echo lang('user_opn_id_note'); ?></span>
            </li> 
            <li class="text_c">
                <input type="submit" value="<?php echo lang('add'); ?>" onclick="submit();" />
            </li> 
        </ul>
    </form>
</div>